42411111 has 8 divisors (see below), whose sum is σ = 56581104. Its totient is φ = 28257600.

The previous prime is 42411101. The next prime is 42411143. The reversal of 42411111 is 11111424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42411111 - 2¹⁷ = 42280039 is a prime.

42411111 is a modest number, since divided by 11111 gives 424 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42411101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (7072638).

Almost surely, 2^42411111 is an apocalyptic number.

42411111 is a deficient number, since it is larger than the sum of its proper divisors (14169993).

42411111 is a wasteful number, since it uses less digits than its factorization.

42411111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241.

The product of its digits is 32, while the sum is 15.

The square root of 42411111 is about 6512.3813616833. The cubic root of 42411111 is about 348.7331369912.

Adding to 42411111 its reverse (11111424), we get a palindrome (53522535).

The spelling of 42411111 in words is "forty-two million, four hundred eleven thousand, one hundred eleven".